Add resque.rake to lib/tasks

[apdarr]

I'm currently working through the tutorial on increasing performance with Resque (http://tutorials.jumpstartlab.com/topics/performance/background_jobs.html). It was great overall but ran into the issue below which should help other readers:

Move resque.rake file to lib/tasks per Rails convention. At the top of the Rakefile in the root directory, it mentions in the comments "Add your own tasks in files placed in lib/tasks ending in .rake"